CN103240588B - Hydraulic axial load device for airplane air circulator rotating components - Google Patents
Hydraulic axial load device for airplane air circulator rotating components Download PDFInfo
- Publication number
- CN103240588B CN103240588B CN201310143957.7A CN201310143957A CN103240588B CN 103240588 B CN103240588 B CN 103240588B CN 201310143957 A CN201310143957 A CN 201310143957A CN 103240588 B CN103240588 B CN 103240588B
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- hydraulic pressure
- hole
- cover cap
- pressure cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Actuator (AREA)
Abstract
The invention discloses a hydraulic axial load device for airplane air circulator rotating components. The hydraulic axial load device comprises a hydraulic supply unit, an axial load action unit and a public pull-rod elongation detecting unit, wherein the axial load action unit is connected with a public pull rod of an air circulator rotating component to be detected, the hydraulic supply unit is communicated with the axial load action unit and supplies hydraulic power for the same, the axial load action unit moves to elongate the public pull rod under the hydraulic action, the public pull rod elongation detecting unit is provided with a dial indicator installed above the axial load action unit and contacts with the same, the axial load action unit pushes the dial indicator during moving, and elongation of the pull rod after elongation can be obtained by reads of the dial indicator. The hydraulic axial load device can apply axial load on the airplane circulator rotating components and can reliably acquire accurate elongation of the public pull rod.
Description
Technical field
The present invention relates to a kind of disassemblerassembler of aircraft components, specifically refer to a kind of air cycle machine of airplane rotary components hydraulic axial load device.
Background technology
The Air-conditioning Cycle refrigeration system of modern aircarrier aircraft mainly contains two kinds of forms: low pressure dewaters refrigeration system and high pressure water separation regenerative air cycle cooling system refrigeration system, main flow aircarrier aircraft all have employed the air circulation refrigeration system of high pressure water separation regenerative air cycle cooling system, it comprises compression air supply source, primary heat exchanger, second level heat exchanger, condenser, reheater, separator, the annexes such as air cycle machine.Air feed through primary heat exchanger, after compressor and second level heat exchanger, first through the hot limit of reheater, condenser, separator and the cold limit of reheater, then flow into cooling turbine swell refrigeration, for air-conditioning system provides cold air.In air circulation refrigeration system, the Main Function of fan is, as the load consuming turbine merit, to be incidentally the cold limit exhausting of aforesaid two heat exchangers, to take away corresponding heat.In fact, compressor, cooling turbine, fan are coaxial one, are the rotary components of air cycle machine.
The air cycle machine of the air circulation refrigeration system of high pressure water separation regenerative air cycle cooling system, which employs the rotary components that foil air bearing supports.In prior art, typical air cycle machine of airplane rotary components as shown in Figure 1, it consists of the parts such as fan 01, fan shaft 02, compressor 03, thrust shaft 04, turbine 05, lock nut 06, pad 07 and public pull bar 08, by public pull bar 08, each part is locked together by the lock nut 06 at public pull bar 08 two ends, forms an entirety.The rotary components rotary speed that foil air bearing supports is high, and refrigerating capacity is strong, and the coupling mechanism force of the corresponding lock nut 06 required is also very large, even reaches 10 ton forces.After completing assembling, it also needs the tensile elongation measuring public pull bar 08, not only guarantees that all annexes can link together by axial tension that public pull bar provides securely, and too much elongation can not be caused to cause public pullup acceleration.One according to common spanner, sleeve barrel tool, that cannot be competent at lock nut tightens work at all; Length before and after the two distance of employing length in the past slide calliper rule extends public pull bar is respectively measured, easily because of people, and thing, the reasons such as thing, need repeatedly to do over again; The flexible pipe that three adopts in the past is single flexible pipe, in time changing other type air cycle machines of repairing, at every turn all will from Axial Loads unit disassembling flexible pipe, be installed on other Axial Loads unit, take time and effort very much, therefore must research and develop a kind of special equipment of integration, reach dismounting safely and fast, work accurately and reliably, the object of raising the efficiency.
Summary of the invention
The object of this invention is to provide a kind of air cycle machine of airplane rotary components hydraulic axial load device, this device applies axial load can not only to air cycle machine of airplane rotary components, and reliably can obtain public pull bar elongation accurately.
This purpose of the present invention realizes by following technical solution: a kind of air cycle machine of airplane rotary components hydraulic axial load device, it is characterized in that: this axial load device comprises hydraulic pressure feeding unit, Axial Loads unit and public pull bar elongation detecting unit, Axial Loads unit is connected with the public pull bar of air cycle machine rotary components to be measured, described hydraulic pressure feeding unit is connected with Axial Loads unit, hydraulic power is provided to Axial Loads unit, Axial Loads unit moves under hydraulic action, thus elongate public pull bar, described public pull bar elongation detecting unit has dial gauge, described dial gauge is arranged on the top of Axial Loads unit, and contact with Axial Loads unit, Axial Loads unit pushes dial gauge in moving process, the elongation after described public pull bar elongation can be obtained by the reading of dial gauge.
Described hydraulic pressure feeding unit comprises hydraulic hand-pump, hydraulic gage transfer block, hydraulic gage, hydraulic hose and adapter, described hydraulic hand-pump has hand-hydraulic shut-off valve, described hydraulic gage transfer block is connected to the hydraulic pressure output port of described hydraulic hand-pump, described hydraulic gage is arranged in described hydraulic gage transfer block, for monitoring the hydraulic pressure output pressure of hydraulic hand-pump, described hydraulic hose is connected between described hydraulic gage transfer block and described adapter, described adapter is connected with Axial Loads unit screw thread, and be connected.
Described Axial Loads unit comprises public pull rod screw puller, upper hydraulic pressure cover cap, lower hydraulic pressure cover cap, endless screw unit and helical gear drive sleeve unit, the two ends of described public pull bar are with externally threaded screw rod, described upper hydraulic pressure cover cap is the double-layered cylinder structure of lid, there is integrated inner core, urceolus and top cover, middle has circular central through hole, described inner core and urceolus are connected to an entirety in upper end by top cover, urceolus is greater than the length of inner core to downward-extension to the length of downward-extension, between the outside wall surface of inner core and the internal face of urceolus, there is annular gap, inner core has the inner chamber be connected with central through hole, the diameter of interior tube inner chamber is greater than the diameter of central through hole, described top cover offers a tapered thread through hole paralleled with central through hole in the region between inner core and urceolus, the upper shed of this tapered thread through hole is connected with described adapter, under shed is connected with described annular gap, the also oblique inclined hole offering a circle on described top cover, the inwall of this inclined hole break-through inner core, with the intracavity inter-connection of inner core, described lower hydraulic pressure cover cap is that centre has the columnar structured of inner chamber, lower hydraulic pressure cover cap is inserted in the annular gap of hydraulic pressure cover cap, the space that after lower hydraulic pressure cover cap is inserted into the annular gap of hydraulic pressure cover cap, annular gap is remaining is, the seal cavity formed between lower hydraulic pressure cover cap, hydraulic oil enters in sealing space through tapered thread through hole, the described lower hydraulic pressure cover cap position within the scope of annular gap in place offers seal groove, in seal groove, sealing ring is installed, sealing in realization between hydraulic pressure cover cap and lower hydraulic pressure cover cap, the described lower inner chamber of hydraulic pressure cover cap and the intracavity inter-connection of inner core, form an overall chamber, the outer rim place, bottom of described lower hydraulic pressure cover cap is provided with the otic placode of annular, otic placode offers multiple installing hole, described public pull rod screw puller is inverted cone-shaped structure, this public pull rod screw puller is inserted in the central through hole of hydraulic pressure cover cap, and lower end extend in described overall chamber, the bottom of public pull rod screw puller offers the internal thread hole matched with the screw rod on public pull bar top, is connected with public pull rod screw by this internal thread hole, described helical gear drive sleeve unit comprises circular slanting gear and the drive sleeve of hollow, described helical gear and drive sleeve are all positioned at described overall chamber, and the lower end of public pull rod screw puller described in ring set, wherein, described helical gear horizontally set, described drive sleeve is the vertical inverted cone-shaped structure arranged, V-type through hole is opened in centre, the top of drive sleeve has ladder platform, described helical gear to be sleeved on this ladder platform and with ladder platform interference fit, the bottom of described drive sleeve offers the inner hexagonal hole that the locking nut that is set with the public pull bar top of air cycle machine rotary components matches, be sleeved on locking nut by this inner hexagonal hole, described endless screw unit comprises be connected all-in-one-piece swingle and worm screw, be inserted in the inclined hole of upper hydraulic pressure cover cap after swingle is connected with worm screw, wherein, worm screw is positioned at inclined hole, be meshed with the helical gear of helical gear drive sleeve unit, swingle exposes to outside the inclined hole of hydraulic pressure cover cap, and swingle drives helical gear to rotate by worm screw in rotation process, hydraulic oil enters the seal cavity pressurization formed between upper and lower hydraulic pressure cover cap under hydraulic action through tapered thread through hole, described lower hydraulic pressure cover cap moves up under hydraulic action, synchronously pulls public pull rod screw puller to move up, thus elongates public pull bar.
Described lower hydraulic pressure cover cap outer surface within the scope of annular gap in place and internal face respectively offer an annular seal groove, described sealing ring is two, and correspondence is arranged in seal groove.
Described helical gear inner cylinder face evenly offers four semicircle orifices, external cylindrical surface and helical gear four semicircle orifice opposite position places of the ladder platform at described drive sleeve top also offer four semicircle orifices, helical gear is equal together with the top end face of drive sleeve after being sleeved on the ladder platform of drive sleeve, and the involutory formation of four semicircle orifices four circular holes of helical gear four semicircle orifices and drive sleeve, in each circular hole, equal plug-in mounting split pin is to reinforce.
Described endless screw unit also comprises urceolus, bearing and bearing cushion block, bearing and bearing cushion block are sleeved on swingle with series-like from left to right, worm set is contained in the right-hand member of swingle, and contact with bearing cushion block, urceolus is also sleeved on swingle, and be positioned at the periphery of bearing and bearing cushion block, coated described bearing and bearing cushion block, described swingle, the corresponding position of worm screw and urceolus three all offers a pin-and-hole, opening pin is through after the pin-and-hole of urceolus, be inserted into swingle, in the pin-and-hole of worm screw, worm screw and swingle are linked into an integrated entity, described urceolus is fastened in the inclined hole of upper hydraulic pressure cover cap by holding screw.
Described public pull bar elongation detecting unit comprises left vertical support bar, right vertical support bar, horizontal gird, open cylinders sleeve and holding screw, described left vertical support bar and right vertical support bar are the montant that structure is identical, left vertical support bar is all connected with horizontal gird with the upper end of right vertical support bar, left vertical support bar is all connected with the otic placode of lower hydraulic pressure cover cap with the lower end of right vertical support bar, the horizontal plane middle of described horizontal gird has a cylindrical hole, the vertical plane middle of horizontal gird has a tapped through hole, described open cylinders sleeve is arranged in described cylindrical hole, described dial gauge is arranged in described open cylinders sleeve, and just to described public pull rod screw puller, the indicator of described dial gauge contacts with the top of public pull rod screw puller, described holding screw presses on above open cylinders sleeve through tapped through hole, dial gauge is fixed on horizontal gird, the amount of movement of public pull rod screw puller is read by dial gauge.
Described left vertical support bar is all connected by screw with horizontal gird with the upper end of right vertical support bar, and left vertical support bar is all connected by screw with the otic placode of lower hydraulic pressure cover cap with the lower end of right vertical support bar.
Air cycle machine of airplane rotary components hydraulic axial load device of the present invention applies axial load can to air cycle machine of airplane rotary components, and the public pull bar elongation that measurement draws accurately and reliably.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is the overall structure figure of air cycle machine of airplane rotary components;
Fig. 2 is the overall structure figure of axial load device of the present invention;
Fig. 3 is the using state reference diagram of axial load device of the present invention;
Fig. 4 is the partial enlarged drawing of Fig. 3;
Fig. 5 is the part drawing of public pull rod screw puller in axial load device of the present invention;
Fig. 6 is the part drawing of upper hydraulic pressure cover cap in axial load device of the present invention, now goes up hydraulic pressure cover cap and is in inversion state;
Fig. 7 is the top view of Fig. 6 with partial cutaway;
Fig. 8 is A-A echelon sectional view of Fig. 7;
Fig. 9 is the top view of lower hydraulic pressure cover cap in axial load device of the present invention;
Figure 10 is B-B sectional view of Fig. 9;
Figure 11 is the installation diagram of endless screw unit in axial load device of the present invention;
Figure 12 is the explosive view of Figure 11;
Figure 13 is the installation diagram of helical gear drive sleeve unit in axial load device of the present invention;
Figure 14 is helical gear part drawing in axial load device of the present invention;
Figure 15 is the left view of Figure 14;
Figure 16 is the part drawing of drive sleeve in axial load device of the present invention;
Figure 17 is the left view of Figure 16;
Figure 18 be in axial load device of the present invention horizontal gird face part drawing;
Figure 19 be in axial load device of the present invention horizontal gird overlook part drawing;
Figure 20 is the part drawing of axial load device split shed cylindrical sleeves of the present invention;
Figure 21 is the top view of Figure 20,
Figure 22 is the part drawing of holding screw in axial load device of the present invention.
Description of reference numerals
01, fan; 02, fan shaft; 03, compressor; 04, thrust shaft; 05, turbine; 06, lock nut; 07, pad; 08, public pull bar;
11, hydraulic hand-pump; 12, hydraulic gage transfer block; 13, hydraulic gage; 14, be coupled quick-release docking hydraulic hose; 15 adapters;
21, public pull rod screw puller; 211, internal thread hole; 22, upper hydraulic pressure cover cap; 221, inner core; 222, urceolus; 223, top cover; 224, central through hole; 225, annular gap; 226, inner chamber; 227, tapered thread through hole; 228, inclined hole; 23, lower hydraulic pressure cover cap; 231, inner chamber; 24, sealing ring; 25, endless screw unit; 251, urceolus; 252, swingle; 253, worm screw; 254, bearing; 255, bearing cushion block; 26, helical gear drive sleeve unit; 261, helical gear; 262, drive sleeve; 263, positive inner hexagonal hole; 31, dial gauge; 32, left vertical support bar; 33, right vertical support bar; 34, horizontal gird; 341, cylindrical hole; 342, tapped through hole 35, open cylinders sleeve; 36, holding screw
Detailed description of the invention
A kind of air cycle machine of airplane rotary components hydraulic axial load device as shown in Fig. 2 to Figure 20, this axial load device comprises hydraulic pressure feeding unit, Axial Loads unit and public pull bar elongation detecting unit, Axial Loads unit is connected with the public pull bar 08 of air cycle machine rotary components to be measured, hydraulic pressure feeding unit is connected with Axial Loads unit, hydraulic power is provided to Axial Loads unit, Axial Loads unit moves under hydraulic action, thus elongate public pull bar 08, public pull bar elongation detecting unit has dial gauge 31, dial gauge 31 is arranged on the top of Axial Loads unit, and contact with Axial Loads unit, Axial Loads unit pushes dial gauge in moving process, the elongation after the elongation of public pull bar 08 can be obtained by the reading of dial gauge.
Described hydraulic pressure feeding unit comprises hydraulic hand-pump 11, hydraulic gage transfer block 12, hydraulic gage 13, hydraulic hose and adapter 15, hydraulic hand-pump 11 has hand-hydraulic shut-off valve, hydraulic gage transfer block 12 is connected to the hydraulic pressure output port of hydraulic hand-pump 11, hydraulic gage 13 is a mechanical analogue table, hydraulic gage 13 is arranged in hydraulic gage transfer block 12, for monitoring the hydraulic pressure output pressure of hydraulic hand-pump 11, hydraulic hose is connected between hydraulic gage transfer block 12 and adapter 15, adapter 15 is connected with Axial Loads unit screw thread, and be connected.Described hydraulic hose refers to and is divided into two by the hydraulic hose from hydraulic gage transfer block 12 to adapter 15 for coupling quick-release docking hydraulic hose 14, coupling quick-release docking hydraulic hose 14, and uses quick-release coupling to transfer in separation place.
Described Axial Loads unit comprises public pull rod screw puller 21, upper hydraulic pressure cover cap 22, lower hydraulic pressure cover cap 23, endless screw unit 25 and helical gear drive sleeve unit 26, the two ends of public pull bar 08 are with externally threaded screw rod, upper hydraulic pressure cover cap 22 is the double-layered cylinder structure of lid, there is integrated inner core 221, urceolus 222 and top cover 223, middle has circular central through hole 224, inner core 221 and urceolus 222 are connected to an entirety in upper end by top cover 223, urceolus 222 is greater than the length of inner core 221 to downward-extension to the length of downward-extension, between the outside wall surface of inner core 221 and the internal face of urceolus 222, there is annular gap 225, inner core 221 has the inner chamber 226 be connected with central through hole 224, the diameter of inner core 221 inner chamber is greater than the diameter of central through hole 224, top cover 223 offers a tapered thread through hole 227 paralleled with central through hole 224 in the region between inner core 221 and urceolus 222, the upper shed of this tapered thread through hole 227 is connected with adapter 15, under shed is connected with annular gap 225, the also oblique inclined hole 228 offering a circle on top cover 223, the inwall of this inclined hole 228 break-through inner core 221, be connected with the inner chamber 226 of inner core 221, the bottom position of inclined hole 228 is a little concentric ladder circular hole, inclined hole is for installing endless screw unit 25, lower hydraulic pressure cover cap 23 has the columnar structured of inner chamber 231 for middle, lower hydraulic pressure cover cap 23 is inserted in the annular gap 225 of hydraulic pressure cover cap 22, the space that after lower hydraulic pressure cover cap 23 is inserted into the annular gap 225 of hydraulic pressure cover cap 22, annular gap 225 is remaining is, the seal cavity formed between lower hydraulic pressure cover cap, hydraulic oil enters in sealing space through tapered thread through hole 227, the position that lower hydraulic pressure cover cap 23 is being positioned at annular gap 225 scope offers seal groove, sealing ring 24 is installed in seal groove, sealing in realization between hydraulic pressure cover cap 22 and lower hydraulic pressure cover cap 23, the concrete set-up mode of seal groove and sealing ring 24 is: lower hydraulic pressure cover cap 23 respectively offers an annular seal groove on the outer surface being positioned at annular gap 225 scope and internal face, sealing ring 24 is two, correspondence is arranged in seal groove, upper sealing effectiveness between hydraulic pressure cover cap 22 and lower hydraulic pressure cover cap 23 strengthened further by sealing ring 24, the inner chamber 231 of lower hydraulic pressure cover cap 23 is connected with the inner chamber 226 of inner core 221, form an overall chamber, the outer rim place, bottom of lower hydraulic pressure cover cap 23 is provided with the otic placode of annular, otic placode offers four installing holes, public pull rod screw puller 21 is inverted cone-shaped structure, top is the annular knurl cap of positive turret head, this public pull rod screw puller 21 is inserted in the central through hole 224 of hydraulic pressure cover cap 22, and lower end extend in overall chamber, the bottom of public pull rod screw puller 21 offers the internal thread hole 211 matched with the screw rod on public pull bar 08 top, is threaded with public pull bar 08 by this internal thread hole 211, helical gear drive sleeve unit 26 comprises circular slanting gear 261 and the drive sleeve 262 of hollow, helical gear 261 and drive sleeve 262 are all positioned at overall chamber, and the lower end of the public pull rod screw puller 21 of ring set, wherein, helical gear 261 horizontally set, drive sleeve 262 is the vertical inverted cone-shaped structure arranged, V-type through hole is opened in centre, the top of drive sleeve 262 has ladder platform, helical gear 261 to be sleeved on this ladder platform and with ladder platform interference fit, the bottom of drive sleeve 262 offers the inner hexagonal hole 263 that the locking nut 06 that is set with public pull bar 08 top of air cycle machine rotary components matches, be sleeved on locking nut 06 by this inner hexagonal hole 263, endless screw unit 25 comprises be connected all-in-one-piece swingle 252 and worm screw 253, swingle 252 is inserted in the inclined hole 228 of upper hydraulic pressure cover cap 22 after being connected with worm screw 253, wherein, worm screw 253 is positioned at inclined hole 228, be meshed with the helical gear 261 of helical gear drive sleeve unit 26, swingle 252 exposes to outside the inclined hole 228 of hydraulic pressure cover cap 22, and swingle 252 drives helical gear 261 to rotate by worm screw 253 in rotation process, hydraulic oil enters the seal cavity pressurization formed between upper and lower hydraulic pressure cover cap under hydraulic action through tapered thread through hole 227, upper hydraulic pressure cover cap 22 moves up under hydraulic action, synchronously pull public pull rod screw puller 21 to move up, thus elongate public pull bar 08.
In the present embodiment, the concrete syndeton of helical gear 261 and drive sleeve 262 is: the inner cylinder face of helical gear 261 evenly offers four semicircle orifices, the external cylindrical surface of the ladder platform at drive sleeve 262 top and four semicircle orifice opposite position places of helical gear 261 also offer four semicircle orifices, helical gear 261 is equal together with the top end face of drive sleeve 262 after being sleeved on the ladder platform of drive sleeve 262, and the involutory formation of four semicircle orifices four circular holes of four of helical gear 261 semicircle orifices and drive sleeve 262, in each circular hole, equal plug-in mounting split pin is to reinforce.
Endless screw unit 25 in the present embodiment is except comprising swingle 252 and worm screw 253, also comprise urceolus 251, bearing 254 and bearing cushion block 255, bearing 254 and bearing cushion block 255 are sleeved on swingle 252 with series-like from left to right, worm screw 253 is sleeved on the right-hand member of swingle 252, and contact with bearing cushion block 255, urceolus 251 is also sleeved on swingle 252, and be positioned at the periphery of bearing 254 and bearing cushion block 255, coated bearing 254 and bearing cushion block 255, swingle 252, the corresponding position of worm screw 253 and urceolus 251 three all offers a pin-and-hole, opening pin is through after the pin-and-hole of urceolus 251, be inserted into swingle 252, in the pin-and-hole of worm screw 253, worm screw 253 and swingle 252 are linked into an integrated entity, described urceolus 251 is fastened in the inclined hole 228 of upper hydraulic pressure cover cap 22 by holding screw, endless screw unit 25 forms upper hydraulic pressure cover cap secondary component.As the conversion of the present embodiment, in endless screw unit 25 swingle 252 and worm screw 253 also the mode be directly connected can be adopted to be connected integral, such as directly adopt to be threaded or the mode such as grafting, socket is connected.
Described public pull bar elongation detecting unit comprises left vertical support bar 32, right vertical support bar 33, horizontal gird 34, open cylinders sleeve 35 and holding screw 36, left vertical support bar 32 is the montant that structure is identical with right vertical support bar 33, left vertical support bar 32 is all connected by two screws with horizontal gird 34 with the upper end of right vertical support bar 33, left vertical support bar 32 is all connected by two screws with the otic placode of lower hydraulic pressure cover cap 23 with the lower end of right vertical support bar 33, the horizontal plane middle of horizontal gird 34 has a cylindrical hole 341, the vertical plane middle of horizontal gird 34 has a tapped through hole 342, open cylinders sleeve 35 is arranged in cylindrical hole 341, dial gauge 31 is arranged in open cylinders sleeve 35, and just to public pull rod screw puller 21, the indicator of dial gauge 31 contacts with the center, top of public pull rod screw puller 21, holding screw 36 is pressed on above open cylinders sleeve after applying pressure through tapped through hole 342, dial gauge 31 is fixed on horizontal gird 34.The amount of movement of public pull rod screw puller 21 is read by dial gauge 31, and public pull rod screw puller 21 amount of movement is upwards the elongation after the elongation of public pull bar 08, and this elongation is directly read by dial gauge 31.
The assembling process of the present embodiment axial load device is as follows:
Use special tooling to support by needing the air cycle machine rotary components of lock nut vertically to hold up, the lock nut of fan end is hand-tight to fan pad along public pull rod screw, push away the upper hydraulic pressure cover cap of axial load action cell in advance on earth, then lower hydraulic pressure cover cap is placed in above fan pad, smooth fan pad, manual helical gear drive sleeve unit, until it entangles the square angle head of lock nut, the screw thread of public pull rod screw puller to public pull bar is installed, until the upper surface of its contact lock nut.
The dial gauge of public pull bar elongation detecting unit is arranged on the horizontal plane interstitial hole of horizontal gird, and regulate dial gauge until suitable dimension, guarantee to show the square angle head top planes that club head contacts public pull rod screw puller, and press on above open cylinders sleeve with screw after having sufficient length up mobile and lock dial gauge, arranging dial gauge reading is zero;
Hydraulic hand-pump is filled hydraulic oil, the shut-off valve of locking hydraulic hand-pump, apply the seal cavity that specified hydraulic coupling is formed to the upper and lower hydraulic pressure cover cap of Axial Loads unit, this hydraulic coupling makes hydraulic pressure cover cap up move, lower hydraulic pressure cover cap moves down tightly, and dieback is on fan pad, and under the promotion of hydraulic coupling, upper hydraulic pressure cover cap promotes public pull rod screw puller and moves up, public pull bar is elongated by hydraulic coupling, and the lock nut of fan end is separated with pad;
On the public pull bar of manual worm unit drives helical gear drive sleeve unit rotational air cycle machine rotary components lock nut to contact pins;
Open the shut-off valve of hydraulic hand-pump at leisure, lay down hydraulic coupling, public pull bar is elongated, and the lock nut at two bears the tension of public pull bar;
Observe the reading of dial gauge, reading should in the scope appraised and decided; If reading is bigger than normal or less than normal, dismantle by following unloading process.
The unloading process of the present embodiment axial load device is as follows:
Use special tooling to support by needing the air cycle machine rotary components dismantling lock nut vertically to hold up, by hand-tight for the lock nut of fan end public pull rod screw to fan pad, push away the upper hydraulic pressure cover cap of axial load action cell in advance on earth, then lower hydraulic pressure cover cap is placed in above fan pad, smooth fan pad, manual helical gear drive sleeve unit, until it entangles the square angle head of lock nut, the screw thread of public pull rod screw puller to public pull bar is installed, until the upper surface of its contact lock nut, the screw thread 1.5 to 2 that then falls back encloses.
Hydraulic hand-pump is filled hydraulic oil, the shut-off valve of locking hydraulic hand-pump, apply the seal cavity that the hydraulic coupling slightly larger than specified hydraulic coupling is formed to the upper and lower hydraulic pressure cover cap of Axial Loads unit, this hydraulic coupling makes hydraulic pressure cover cap up move, lower hydraulic pressure cover cap move down tightly dieback on fan pad, under the promotion of hydraulic coupling, upper hydraulic pressure cover cap promotes public pull rod screw puller and moves up, and public pull bar is elongated by hydraulic coupling;
Lock nut on the public pull bar of manual worm unit drives helical gear drive sleeve unit rotational air cycle machine rotary components departs from fan pad, contacts the bottom of public pull rod screw puller until lock nut spins;
Open the shut-off valve of hydraulic hand-pump at leisure, lay down hydraulic coupling, public pull bar restores, and the lock nut at two no longer bears the tension of public pull bar;
Repeatedly above assembly and disassembly process, until be used for the reading of the dial gauge appraising and deciding public pull bar elongation in the scope appraised and decided.
Claims (7)
1. an air cycle machine of airplane rotary components hydraulic axial load device, it is characterized in that: this axial load device comprises hydraulic pressure feeding unit, Axial Loads unit and public pull bar elongation detecting unit, Axial Loads unit is connected with the public pull bar (08) of air cycle machine rotary components to be measured, described hydraulic pressure feeding unit is connected with Axial Loads unit, hydraulic power is provided to Axial Loads unit, Axial Loads unit moves under hydraulic action, thus elongate public pull bar (08), described public pull bar elongation detecting unit has dial gauge (31), described dial gauge (31) is arranged on the top of Axial Loads unit, and contact with Axial Loads unit, Axial Loads unit pushes dial gauge in moving process, the elongation after the elongation of described public pull bar (08) can be obtained by the reading of dial gauge, described hydraulic pressure feeding unit comprises hydraulic hand-pump (11), hydraulic gage transfer block (12), hydraulic gage (13), hydraulic hose and adapter (15), described hydraulic hand-pump (11) has hand-hydraulic shut-off valve, described hydraulic gage transfer block (12) is connected to the hydraulic pressure output port of described hydraulic hand-pump (11), described hydraulic gage (13) is arranged on described hydraulic gage transfer block (12), for monitoring the hydraulic pressure output pressure of hydraulic hand-pump (11), described hydraulic hose is connected between described hydraulic gage transfer block (12) and described adapter (15), described adapter (15) is connected with Axial Loads unit screw thread, and be connected, described Axial Loads unit comprises public pull rod screw puller (21), upper hydraulic pressure cover cap (22), lower hydraulic pressure cover cap (23), endless screw unit (25) and helical gear drive sleeve unit (26), the two ends of described public pull bar (08) are with externally threaded screw rod, the double-layered cylinder structure that described upper hydraulic pressure cover cap (22) is lid, there is integrated inner core (221), urceolus (222) and top cover (223), middle has circular central through hole (224), described inner core (221) and urceolus (222) are connected to an entirety in upper end by top cover (223), urceolus (222) is greater than the length of inner core (221) to downward-extension to the length of downward-extension, between the outside wall surface of inner core (221) and the internal face of urceolus (222), there is annular gap (225), inner core (221) has the inner chamber (226) be connected with central through hole (224), the diameter of inner core (221) inner chamber is greater than the diameter of central through hole (224), described top cover (223) offers a tapered thread through hole (227) paralleled with central through hole (224) being positioned at the region between inner core (221) and urceolus (222), the upper shed of this tapered thread through hole (227) is connected with described adapter (15), under shed is connected with described annular gap (225), the upper also oblique inclined hole (228) offering a circle of described top cover (223), the inwall of this inclined hole (228) break-through inner core (221), be connected with the inner chamber (226) of inner core (221), described lower hydraulic pressure cover cap (23) has the columnar structured of inner chamber (231) for centre, lower hydraulic pressure cover cap (23) is inserted in the annular gap (225) of hydraulic pressure cover cap (22), the space that annular gap (225) are remaining afterwards, annular gap (225) that lower hydraulic pressure cover cap (23) is inserted into hydraulic pressure cover cap (22) is, the seal cavity formed between lower hydraulic pressure cover cap, hydraulic oil enters in sealing space through tapered thread through hole (227), the described lower position that hydraulic pressure cover cap (23) is being positioned at annular gap (225) scope offers seal groove, sealing ring (24) is installed in seal groove, sealing in realization between hydraulic pressure cover cap (22) and lower hydraulic pressure cover cap (23), the described inner chamber (231) of lower hydraulic pressure cover cap (23) is connected with the inner chamber (226) of inner core (221), form an overall chamber, the outer rim place, bottom of described lower hydraulic pressure cover cap (23) is provided with the otic placode of annular, otic placode offers multiple installing hole, described public pull rod screw puller (21) is inverted cone-shaped structure, this public pull rod screw puller (21) is inserted in the central through hole (224) of hydraulic pressure cover cap (22), and lower end extend in described overall chamber, the bottom of public pull rod screw puller (21) offers the internal thread hole (211) matched with the screw rod on public pull bar (08) top, is threaded with public pull bar (08) by this internal thread hole (211), described helical gear drive sleeve unit (26) comprises circular slanting gear (261) and the drive sleeve (262) of hollow, described helical gear (261) and drive sleeve (262) are all positioned at described overall chamber, and the lower end of public pull rod screw puller (21) described in ring set, wherein, described helical gear (261) horizontally set, described drive sleeve (262) is the vertical inverted cone-shaped structure arranged, V-type through hole is opened in centre, the top of drive sleeve (262) has ladder platform, described helical gear (261) to be sleeved on this ladder platform and with ladder platform interference fit, the bottom of described drive sleeve (262) offers the positive inner hexagonal hole (263) that the locking nut (06) that is set with public pull bar (08) top of air cycle machine rotary components matches, be sleeved on locking nut (06) by this positive inner hexagonal hole (263), described endless screw unit (25) comprises be connected all-in-one-piece swingle (252) and worm screw (253), swingle (252) is inserted in the inclined hole (228) of upper hydraulic pressure cover cap (22) after being connected with worm screw (253), wherein, worm screw (253) is positioned at inclined hole (228), be meshed with the helical gear (261) of helical gear drive sleeve unit (26), swingle (252) exposes to the inclined hole (228) of hydraulic pressure cover cap (22) outward, swingle (252) drives helical gear (261) to rotate by worm screw (253) in rotation process, hydraulic oil enters the seal cavity pressurization formed between upper and lower hydraulic pressure cover cap under hydraulic action through tapered thread through hole (227), described upper hydraulic pressure cover cap (22) moves up under hydraulic action, synchronously pull public pull rod screw puller (21) to move up, thus elongate public pull bar (08).
2. air cycle machine of airplane rotary components hydraulic axial load device according to claim 1, it is characterized in that: described hydraulic hose is coupling quick-release docking hydraulic hose (14), described coupling quick-release docking hydraulic hose (14) refers to and is divided into two and uses quick-release coupling to carry out the flexible pipe of transferring in separation by the hydraulic hose from described hydraulic gage transfer block (12) to adapter (15).
3. air cycle machine of airplane rotary components hydraulic axial load device according to claim 1, it is characterized in that: described lower hydraulic pressure cover cap (23) respectively offers an annular seal groove on the outer surface being positioned at annular gap (225) scope and internal face, described sealing ring (24) is two, and correspondence is arranged in seal groove.
4. air cycle machine of airplane rotary components hydraulic axial load device according to claim 1, it is characterized in that: the inner cylinder face of described helical gear (261) evenly offers four semicircle orifices, the external cylindrical surface of the ladder platform at described drive sleeve (262) top and four semicircle orifice opposite position places of helical gear (261) also offer four semicircle orifices, helical gear (261) is equal together with the top end face of drive sleeve (262) after being sleeved on the ladder platform of drive sleeve (262), and the involutory formation of four semicircle orifices four circular holes of four semicircle orifices of helical gear (261) and drive sleeve (262), in each circular hole, equal plug-in mounting split pin is to reinforce.
5. air cycle machine of airplane rotary components hydraulic axial load device according to claim 1, it is characterized in that: described endless screw unit (25) also comprises urceolus (251), bearing (254) and bearing cushion block (255), bearing (254) and bearing cushion block (255) are sleeved on swingle (252) with series-like from left to right, worm screw (253) is sleeved on the right-hand member of swingle (252), and contact with bearing cushion block (255), urceolus (251) is also sleeved on swingle (252), and be positioned at the periphery of bearing (254) and bearing cushion block (255), coated described bearing (254) and bearing cushion block (255), described swingle (252), the corresponding position of worm screw (253) and urceolus (251) three all offers a pin-and-hole, opening pin is through after the pin-and-hole of urceolus (251), be inserted into swingle (252), in the pin-and-hole of worm screw (253), worm screw (253) and swingle (252) are linked into an integrated entity, described urceolus (251) is fastened in the inclined hole (228) of upper hydraulic pressure cover cap (22) by holding screw.
6. the air cycle machine of airplane rotary components hydraulic axial load device according to any one of claim 1 to 5, it is characterized in that: described public pull bar elongation detecting unit comprises left vertical support bar (32), right vertical support bar (33), horizontal gird (34), open cylinders sleeve (35) and holding screw (36), described left vertical support bar (32) and right vertical support bar (33) are the identical montant of structure, left vertical support bar (32) is all connected with horizontal gird (34) with the upper end of right vertical support bar (33), left vertical support bar (32) is all connected with the otic placode of lower hydraulic pressure cover cap (23) with the lower end of right vertical support bar (33), the horizontal plane middle of described horizontal gird (34) has a cylindrical hole (341), the vertical plane middle of described horizontal gird (34) has a tapped through hole (342), described open cylinders sleeve (35) is arranged in described cylindrical hole (341), described dial gauge (31) is arranged in described open cylinders sleeve (35), and just to described public pull rod screw puller (21), the indicator of described dial gauge (31) contacts with the center, top of public pull rod screw puller (21), described holding screw (36) is pressed on above described open cylinders sleeve (35) through tapped through hole (342), described dial gauge (31) is fixed on horizontal gird (34), the amount of movement of public pull rod screw puller (21) is read by dial gauge (31).
7. air cycle machine of airplane rotary components hydraulic axial load device according to claim 6, it is characterized in that: described left vertical support bar (32) is all connected by screw with horizontal gird (34) with the upper end of right vertical support bar (33), left vertical support bar (32) is all connected by screw with the otic placode of lower hydraulic pressure cover cap (23) with the lower end of right vertical support bar (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310143957.7A CN103240588B (en) | 2013-04-23 | 2013-04-23 | Hydraulic axial load device for airplane air circulator rotating components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310143957.7A CN103240588B (en) | 2013-04-23 | 2013-04-23 | Hydraulic axial load device for airplane air circulator rotating components |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103240588A CN103240588A (en) | 2013-08-14 |
| CN103240588B true CN103240588B (en) | 2015-05-20 |
Family
ID=48920644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310143957.7A Active CN103240588B (en) | 2013-04-23 | 2013-04-23 | Hydraulic axial load device for airplane air circulator rotating components |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103240588B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673371B (en) * | 2013-12-13 | 2016-07-06 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of cooling turbine unit of the coaxial double expansion of four-wheel |
| CN111174964A (en) * | 2020-01-20 | 2020-05-19 | 青海大学 | Bolt force measurement experimental device, torsion and tension calibration system and actual measurement installation jig |
| CN111400831B (en) * | 2020-03-06 | 2023-04-28 | 中国北方车辆研究所 | Method and device for connecting three-dimensional braided carbon fiber composite gear with metal shaft |
| CN111911456A (en) * | 2020-08-19 | 2020-11-10 | 杭州汽轮动力集团有限公司 | Multistage axial compressor welding rotor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203209960U (en) * | 2013-04-23 | 2013-09-25 | 广州飞机维修工程有限公司 | Hydraulic axial load device of air circulator rotary component of airplane |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4199032A (en) * | 1978-02-17 | 1980-04-22 | Weatherford/Lamb, Inc. | Apparatus for measuring and controlling a force |
| DE4238922C2 (en) * | 1992-11-19 | 1996-08-08 | Gutehoffnungshuette Man | Method and device for tensioning and releasing tie rods in multi-part gas turbine rotors |
| CN202045491U (en) * | 2010-12-30 | 2011-11-23 | 保定天威集团有限公司 | Hydraulic stretcher capable of monitoring bolt stretching amount |
| CN202037442U (en) * | 2011-04-01 | 2011-11-16 | 上海电气核电设备有限公司 | Assembling and measuring tool for bolt of evaporator sealing cover plate in hydraulic test |
| CN102998182B (en) * | 2012-12-27 | 2017-10-10 | 哈尔滨东安发动机（集团）有限公司 | The installation measurement apparatus of aero-engine center pull rod |
-
2013
- 2013-04-23 CN CN201310143957.7A patent/CN103240588B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203209960U (en) * | 2013-04-23 | 2013-09-25 | 广州飞机维修工程有限公司 | Hydraulic axial load device of air circulator rotary component of airplane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103240588A (en) | 2013-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103240588B (en) | Hydraulic axial load device for airplane air circulator rotating components | |
| US20160146681A1 (en) | Device for testing mechanical seal performance | |
| CN101994509A (en) | Multipurpose ultrahigh-pressure packer tester | |
| CN105538206B (en) | It is a kind of for outer-hexagonal bolt, the combination wrench of nut | |
| CN103592218B (en) | The integrated drag reduction testing arrangement of elastomer rubber sealing ring drag reduction testing arrangement and elastomer rubber sealing ring/non-smooth surface | |
| CN205506600U (en) | Round pin disk friction wear testing machine with cooling device | |
| CN104368967B (en) | Device capable of adjusting and measuring pretightening force loss of ball screw pair and experiment table of device | |
| CN202910792U (en) | Mechanical seal disassembling tool | |
| CN102490149A (en) | Integrated dismounting tool and assembling and disassembling method of modularized diesel engine power unit | |
| CN112763309B (en) | Thin-wall circular pipe hydraulic test device and test method | |
| CN110295873A (en) | Downhole electric control water blockoff increases production derailing switch | |
| CN113184378A (en) | Inner supporting device for mounting large-scale pressure steel pipe | |
| CN203209960U (en) | Hydraulic axial load device of air circulator rotary component of airplane | |
| CN207326869U (en) | A kind of bushing dismounting device | |
| CN217861041U (en) | Disassembling tool | |
| CN202218435U (en) | Double-butting spring pressure ring | |
| CN108844695A (en) | A kind of detection device of mechanical equipment bearing sealed ring pressure resistance performance | |
| CN204083219U (en) | A kind of sealing configuration | |
| CN106346409A (en) | Sealed bomb gasket dismounting tool | |
| CN208169302U (en) | Accurate pretension bolt | |
| CN104723269A (en) | Detaching tool and method for carbon ring seal pressing plate of centrifugal compressor | |
| CN219854371U (en) | Bearing dismounting device | |
| CN2916118Y (en) | High-pressure valve | |
| CN219932857U (en) | Worm gear reducer shell convenient to install | |
| CN211761167U (en) | Framework oil seal dismounting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |